various changes releated to upload hooks: - style fixups to match codebase style - some macros for improved readability - use SvREFCNT_{inc,dec} rather than newSVsv()+sv_2mortal() to manage   UploadHook data/sub - prevent potential leak by SvREFCNT_dec-ing upload_hook->{data,sub}   if they already exist PR: Obtained from: Submitted by: Reviewed by:
various changes releated to upload hooks:
- style fixups to match codebase style
- some macros for improved readability
- use SvREFCNT_{inc,dec} rather than newSVsv()+sv_2mortal() to manage
  UploadHook data/sub
- prevent potential leak by SvREFCNT_dec-ing upload_hook->{data,sub}
  if they already exist
PR:
Obtained from:
Submitted by:
Reviewed by:


git-svn-id: dda07a2e90c849a4a53a557a785ce26cc498c85f@89358 13f79535-47bb-0310-9956-ffa450edef68

apache/apreq,apache/apreq,apache/apreq